Plot: When Stacy, Shannon's 17-year-old sister, breaks up with her boyfriend and she moves out of her parents' house because they refuse to kick out her boyfriend who also lives there, Carrie tells Shannon that it's time for her to confront her hippie parents. Ryan and Denise get in a panic when they learn that Conner, who has been a part of a college research project on babies, has tested extremely high for aggression